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Microscopic observation of sorghum grains to represent the grains’ appearance as well as the presence of pigmented testa, thickness of pericarp, and secondary color. (A) TDN® Sorgho, (B) Mini Sorgho, and (C) RILN-156. Scale 500.00 μm for the first and second lines and 500.00 μm for the third line (close-up images of the grains’ pigmented testa).
